7X30 Waterproof Binoculars

Description for waterproof binoculars: 1. Waterproof and Nitrogen-filled to handle extreme weather condition 2. BAK-4 Prism allows you the maximum light transmission; 3. ED optical glass elements give you the truer color and sharper images; 3. Fully broadband Multi-coated Lenses increase light transmission and color quality; 4. Phase-corrected Coating on roof prism provide more contrast and sharpness 5. Inner focus design for better balance and durability; 6. Full rubber housing improve grip and shock resistance. Specification for product: Item No.:KW150 Model: 7X30A Magnification:7X Objective lens diameter:30mm Angle of View: 8.2degree Exit pupil Diameter: 4.28mm Exit pupil Distance: 17.5mm Resolution: ≤7.5 Ocular Diopter Adjustment Location: ±0.5 Relative brightness: 17.6 Twilight factor: 14.3 Prism System: porro prism Weight: 500g Size: 160x118x60cm